8x-21/15 - solution

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Solution for 8x-21/15 equation:

x in (-oo:+oo)

8*x-(21/15) = 0

8*x-7/5 = 0

8*x-7/5 = 0 // + 7/5

8*x = 7/5 // : 8

x = 7/5/8

x = 7/40

x = 7/40

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